THE TOXICITY OF ORGANIC-CHEMICALS TO TREATMENT PROCESSES

被引:22
作者
BLUM, DJW [1 ]
SPEECE, RE [1 ]
机构
[1] VANDERBILT UNIV,DEPT CIVIL & ENVIRONM ENGN,NASHVILLE,TN 37235
关键词
TOXICITY; TOXICITY MODELING; ORGANIC CHEMICALS; NARCOTIC CHEMICALS;
D O I
10.2166/wst.1992.0073
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The IC50 concentration was determined for a common set of narcotic chemicals to three classes of environmental organisms - aerobic heterotrophs, methanogens and Nitrosomonas as well as to Microtox(R). The toxicity was well modeled using the linear solvation energy relationship which incorporates molecular volume, polarity/polarizability, hydrogen bond donor acidity and hydrogen bond donor basicity. Chemical characteristics which contribute to a chemical's toxicity are discussed. The relative toxicity to these different classes of environmental microorganisms is discussed and the implications to biological treatment process stability are considered.
引用
收藏
页码:23 / 31
页数:9
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